Tag: DOT news: Page 14

Roadbuilding

Researchers use coal ash additive to create quick-set, “crack-free” concrete

Researchers from Drexel University believe they have discovered a way that coal ash can be used to help make concrete more durable and crack-free, according to a Drexel press release posted to  Science Daily. The discovery, which was recently reported in the journal Cement and Concrete Composites, turns waste coal ash into a concrete additive […]

November 22, 2019

Roadbuilding

Paul intros Senate bill to redirect 1% of federal spending to infrastructure

Sen. Rand Paul (R-Ken.) has introduced a bill to Congress called the Penny Plan to Enhance Infrastructure Act that would redirect 1 percent of the federal government’s non-infrastructure spending, estimated to be $12.3 billion in 2020, to infrastructure projects across the United States, the Courier Journal reports. The 1 percent would go toward improving highways, […]

November 22, 2019

Roadbuilding

Arizona DOT saves on I-40 closures by sliding replacement bridges into place

ADOT credits the procedure, known as value engineering, with cutting the road closure time from the standard six to eight months to just nine days.

November 21, 2019

Roadbuilding

WSDOT crews discover, repair large hole in Vantage Bridge deck

While deployed to do repairs to damaged barriers on the Vantage Bridge, the WSDOT discovered a large hole that needed immediate attention. Details here.

November 19, 2019

Roadbuilding

NCDOT gets emergency funding to stem budget crisis blamed on hurricanes, lawsuits, overspending

The cash-strapped N.C. Department of Transportation, which laid off hundreds of temporary workers and delayed plans for about 900 road projects in August, has received a $200 million emergency funding boost from the state legislature. The legislation comes after the agency faced a slew of hurricanes and storms and legal settlements that have siphoned off […]

November 18, 2019

Roadbuilding

Scottish company using recycled plastic to pave roads

A Scottish company has invented a way to recycle hard-to-use plastic into a material for use in paving roads and highways, everything Lubbock reports. The plastic is ground up and mixed with a secret ingredient to form a material that replaces some of the oil-based bitumen used in asphalt paving. The mix is said to […]

November 15, 2019

Roadbuilding

Yellowstone National Park considers replacing deteriorated bridge

The concrete deck, sidewalks, and parapets of the bridge over the Yellowstone River at the Northeast Entrance Road near Tower Junction in Yellowstone National Park have deteriorated so badly that the National Park Service (NPS) wants to replace it, the Montana Standard reports. The bridge, which was built in the early 1960s, is the only […]

November 14, 2019

Roadbuilding

Chao announces recipients of $900 million in 2019 BUILD Transportation grants

The U.S. Secretary of Transportation has awarded millions to the Better Utilizing Investments to Leverage Development Transportation program. Details here.

November 13, 2019

Roadbuilding

Crews to work night and day and through Thanksgiving to speed Chesapeake Bay Bridge rehab

The Maryland Transportation Authority (MDTA) announced plans to take a series of steps to shorten the duration of the Chesapeake Bay Bridge rehabilitation project and mitigate the traffic impact. “My most important responsibility is the safety of Maryland citizens,” said Gov. Larry Hogan during a meeting of the Board of Public Works, according to an […]

November 12, 2019

Roadbuilding

2019 Bridge Inventory: States struggle to keep up with deteriorating bridges

With few exceptions, states are losing the battle with aging bridges in need of repair or replacement. Even states with low percentages of bridges rated poor are finding it difficult to keep up with bridge and road systems that in many cases are 50 years old or older. Utah, which ranks fourth for the lowest […]

November 11, 2019

Roadbuilding

CalPortland receives WACA Excellence in Concrete Construction Award for its work on Seattle’s SR 99 tunnel

CalPortland received the Washington Aggregates and Concrete Association (WACA) 2019 Awards for Excellence in Concrete Construction “Grand Award” for its work on the Alaskan Way Viaduct Replacement Program SR-99 Tunnel. The nearly 2-mile-long tunnel has two stacked 32-foot-wide roadways — two southbound lanes over two northbound lanes — and features state-of-the-art fire detection, suppression, and […]

November 8, 2019

Roadbuilding

Large sinkhole opens up in downtown Pittsburgh

Engineers are scrambling to figure out why a 100-foot-long, 20-foot-deep sinkhole opened up on 10th Street in downtown Pittsburgh on October 29, according to TribLive. City officials say it could take a while to determine the cause and noted the city’s advanced age. “We’re building on top of 250 years of development, and there are […]

November 7, 2019